Cracking the Coding Interview - Fooo

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17 3 Compare and contrast the IPv4 and IPv6 protocols SOLUTION Solutions to Chapter 17 | Networking CareerCup com pg 84 IPv4 and IPv6 are the internet protocols applied at the network layer IPv4 is the most widely used protocol right now and IPv6 is the next generation protocol for internet » IPv4 is the fourth version of Internet protocol which uses 32 bit addressing whereas IPv6 is a next generation internet protocol which uses 128 bits addressing » IPv4 allows 4,294,967,296 unique addresses where as IPv6 can hold 340-undecillion (34, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000, 000) unique IP addresses » IPv4 has different class types: A,B,C,D and E Class A, Class B, and Class C are the three classes of addresses used on IP networks in common practice Class D addresses are reserved for multicast Class E addresses are simply reserved, meaning they should not be used on IP networks (used on a limited basis by some research organizations for experimental purposes) » IPv6 addresses are broadly classified into three categories: 1 Unicast addresses: A Unicast address acts as an identifier for a single interface An IPv6 packet sent to a Unicast address is delivered to the interface identified by that address 2 Multicast addresses: A Multicast address acts as an identifier for a group / set of interfaces that may belong to the different nodes An IPv6 packet delivered to a multicast address is delivered to the multiple interfaces 3 Anycast addresses: Anycast addresses act as identifiers for a set of interfaces that may belong to the different nodes An IPv6 packet destined for an Anycast address is delivered to one of the interfaces identified by the address » IPv4 address notation: 239 255 255 255, 255 255 255 0 » IPv6 addresses are denoted by eight groups of hexadecimal quartets separated by colons in between them » An example of a valid IPv6 address: 2001:cdba:0000:0000:0000:0000:3257:9652 Because of the increase in the population, there is a need of Ipv6 protocol which can provide solution for: 1 Increased address space 2 More efficient routing 3 Reduced management requirement 2 5 2
Solutions to Chapter 17 | Networking 4 Improved methods to change ISP 5 Better mobility support 6 Multi-homing 7 Security 8 Scoped address: link-local, site-local and global-address space 2 5 3 Cracking the Coding Interview | Knowledge Based
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CRACKING THE C O D I N G I N T E R
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CRACKING THE C O D I N G I N T E R
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Table of Contents Foreword 4 Introd
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Dear Readers, CareerCup com Forewor
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My Approach Introduction The focus
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Behind the Scenes | The Microsoft I
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Behind the Scenes | The Google Inte
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Behind the Scenes | The Yahoo Inter
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Interview War Stories the next few
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Interview War Stories | Failure to
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Interview War Stories | You Can (Ma
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Before the Interview
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Before the Interview | Resume Advic
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Before the Interview | Behavioral P
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What You Need To Know Before the In
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At the Interview | Handling Behavio
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At the Interview | Handling Technic
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At the Interview | Handling Technic
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At the Interview | Five Algorithm A
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At the Interview | The Offer and Be
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At the Interview | Top Ten Mistakes
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At the Interview | Frequently Asked
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Interview Questions How This Book i
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Part 1 Data Structures
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Chapter 1 | Arrays and Strings 1 1
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2 1 Write code to remove duplicates
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Chapter 3 | Stacks and Queues 3 1 D
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Chapter 4 | Trees and Graphs 4 1 Im
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Chapter 5 | Bit Manipulation How to
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Chapter 6 | Brain Teasers Do compan
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Chapter 7 | Object Oriented Design
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Chapter 8 | Recursion How to Recogn
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Chapter 9 | Sorting and Searching H
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Chapter 10 | Mathematical How to Ap
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Chapter 11 | Testing Testing Proble
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Chapter 12 | System Design and Memo
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Part 3 Knowledge Based
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Chapter 13 | C++ 13 1 Write a metho
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Chapter 14 | Java 14 1 In terms of
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Chapter 15 | Databases 15 1 Write a
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Chapter 16 | Low Level 16 1 Explain
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Chapter 17 | Networking 17 1 Explai
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Chapter 18 | Threads and Locks 18 1
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Chapter 19 | Moderate 19 1 Write a
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Chapter 20 | Hard 20 1 Write a func
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Each problem may have many 'optimal
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Solutions to Chapter 1 | Arrays and
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Solutions to Chapter 2 | Linked Lis
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Approach 2: Solutions to Chapter 3
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Solutions to Chapter 3 | Stacks and
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Solutions to Chapter 4 | Trees and
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Solutions to Chapter 5 | Bit Manipu
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Solutions to Chapter 6 | Brain Teas
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Solutions to Chapter 7 | Object Ori
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41 } 42 } Overview: Solutions to Ch
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Solutions to Chapter 8 | Recursion
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Solutions to Chapter 9 | Sorting an
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Solutions to Chapter 10 | Mathemati
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Solutions to Chapter 11 | System De
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Solutions to Chapter 11 | System De
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Page 215 and 216: Solutions to Chapter 12 | Testing 1
Page 221 and 222: Solutions to Chapter 13 | C++ 13 1
Page 231 and 232: Solutions to Chapter 14 | Java 14 1
Page 237 and 238: Solutions to Chapter 15 | Databases
Page 243 and 244: Solutions to Chapter 16 | Low Level
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Page 271 and 272: Solutions to Chapter 19 | Moderate
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M matrixes 101, 102, 163, 169, 184,
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About the Author Gayle Laakmann’s
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